Data processing: measuring – calibrating – or testing – Measurement system – Remote supervisory monitoring
Reexamination Certificate
2007-06-19
2007-06-19
Hoff, Marc S. (Department: 2857)
Data processing: measuring, calibrating, or testing
Measurement system
Remote supervisory monitoring
C702S190000, C702S193000, C702S198000
Reexamination Certificate
active
11155797
ABSTRACT:
A monitoring system includes a plurality of monitoring devices adjacently provided to a group of integrated fuel cell stacks for measuring a voltage of the fuel cell units. Each of the monitoring devices includes a plurality of monitoring sensors adapted for electrically connecting to a predetermined set of fuel cell units and a MCU (Micro-Chip-Unit) for sequentially and circularly switching each two neighboring monitoring sensors for reading the voltage of each respective fuel cell. A CAN bus is provided for electrically and collectively interconnecting the monitoring devices with a central operator which is arranged in such a manner that when said the voltage of the respective fuel cell unit exceeds a safety range, the central operator generates an alert signal for indicating an abnormal operation of the respective fuel cell.
REFERENCES:
patent: 6591199 (2003-07-01), Tremblay et al.
patent: 6915220 (2005-07-01), Cardinal et al.
patent: 2006/0152224 (2006-07-01), Kim et al.
Cena et al., A Multistage Hierarchical Distributed Arbitration Technique for Priority-Based Real-Time Communication Systems, Sep. 13, 2002, IEEE, vol. 49, No. 6, pp. 1227-1239.
Fu Mingzhu
Hu Liqing
Chan Raymond Y.
David and Raymond Patent Group
Hoff Marc S.
Shen-Li High Tech Co., Ltd. (Shanghai)
Suarez Felix
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